MELISSA K SIXBEY FNP-C
NPI 1811602568
Nurse Practitioner in Oxnard, CA

Active since January 17, 2023PECOS EnrolledAccepts Medicare Assignment
1600 N ROSE AVE, OXNARD, CA 93030(805) 320-4402 Get Directions Write a Review

NPPES record last updated: January 17, 2023. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Melissa K Sixbey Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELISSA K SIXBEY FNP-C (NPI 1811602568) is an individual nurse practitioner in Oxnard, California, licensed in California (95023881) and active in the NPI registry since January 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1811602568
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMELISSA K SIXBEYCredential: FNP-C
Location Address1600 N ROSE AVEOxnard, CA 93030-3722
Mailing Address3163 Orleans LnOxnard, CA 93036-5344 · (805) 320-4402
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateJanuary 17, 2023
NPPES CertifiedJanuary 17, 2023
✔ NPI 1811602568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95023881
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1600 N ROSE AVE, Oxnard, CA 93030

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Melissa K Sixbey Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7618324807
PECOS Enrollment IDI20231109001372
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
93 services91 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
47 services47 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$95.28 typical visit price
range $62.32 – $185.36
Typical copayment $23.82 (range $15.58 – $46.34)
Most-billed visit code 99203
Established Patient
$108.74 typical visit price
range $20.68 – $151.85
Typical copayment $27.18 (range $5.17 – $37.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
1600 N ROSE AVE
OXNARD, CA 93030
Nurse Practitioner
1600 N ROSE AVE
OXNARD, CA 93030
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030
Emergency Medicine (Pediatric Emergency Medicine)
1600 N ROSE AVE
OXNARD, CA 93030
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030
Hospitalist
1600 N ROSE AVE
OXNARD, CA 93030
Anesthesiology
1600 N ROSE AVE
OXNARD, CA 93030

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Sixbey's NPI number?

The NPI number for Melissa Sixbey is 1811602568. It was assigned to this individual provider in the NPPES registry on January 17, 2023.

Where is Melissa Sixbey located?

Melissa Sixbey practices at 1600 N Rose Ave, Oxnard, CA 93030. The listed phone number is (805) 320-4402.

What is Melissa Sixbey's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Melissa Sixbey enrolled in Medicare?

Yes. Melissa Sixbey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Melissa Sixbey was last updated on January 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.